Frequencies for first 10,000 rows of gpmed7 variable in nhamcsed2011 dataset :

      Given in ED or Rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |         10        0.10        0.10
Not applicable, no medication listed |      9,664       96.64       96.74
                        Given in  ED |        189        1.89       98.63
                     RX at discharge |        110        1.10       99.73
            Both given and RX marked |         27        0.27      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016